Search for the Weak Decay of an H Dibaryon

Details Search for the Weak Decay of an H Dibaryon Search for the Weak Decay of an H Dibaryon

1996-03-07

arxiv.org/abs/hep-ex/9603002v1

Phys.Rev.Lett.76:3277-3280,1996

Physics

High Energy Physics

High Energy Physics - Experiment

11 pages, 6 postscript figures, epsfig, aps, preprint, revtex

Scientific paper

10.1103/PhysRevLett.76.3277

We have searched for a neutral $H$ dibaryon decaying via $H\to\Lambda n$ and $H\to\Sigma^0 n$. Our search has yielded two candidate events from which we set an upper limit on the $H$ production cross section. Normalizing to the inclusive $\Lambda$ production cross section, we find $(d\sigma_H/d\Omega) / (d\sigma_\Lambda/d\Omega) < 6.3\times 10^{-6}$ at 90% C.L., for an $H$ of mass $\approx$ 2.15 GeV/$c^2$.

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